* {
  margin: 0;
  padding: 0;
}

button {
  border: 0;
  display: block;
  background: rgba(0, 0, 0, 0);
  cursor: pointer;
}

button:focus {
  outline: 0;
}

input:focus {
  outline: none;
}

li {
  list-style-type: none;
}
a {
  text-decoration: none;
  color: #3b82ff;
}
img{
  object-fit: cover;
}
/*IE滚动条颜色设置*/
body {
  scrollbar-arrow-color:#FFFFFF;  /*上下箭头*/
  scrollbar-track-color:#FFFFFF;  /*底层背景色*/
  scrollbar-face-color:#B7B7B7;   /*滚动条前景色*/
  scrollbar-Shadow-color:#FFFFFF; /*滚动条边线色*/
}
/*chrome滚动条颜色设置*/
body::-webkit-scrollbar {width:10px; height:10px; background-color:transparent;} /*定义滚动条高宽及背景 高宽分别对应横竖滚动条的尺寸*/
body::-webkit-scrollbar-track {background-color:#FFFFFF; border-radius:10px; -webkit-box-shadow:inset 0 0 6px rgba(0,0,0,0);} /*定义滚动条轨道 内阴影+圆角*/
body::-webkit-scrollbar-thumb {background-color:#B7B7B7; border-radius:10px; -webkit-box-shadow:inset 0 0 6px rgba(0,0,0,0);} /*定义滑块 内阴影+圆角*/
